M&S Our Best Ever Steak Pie Tender British beef, slow cooked for three hours, with caramelised onions and traditional gravy, encased in an all-butter shortcrust pastry. Finished with smoked bacon lardons for a deep intense flavour and topped with egg wash for a perfectly golden finish, simply bake in the oven. Serves 2. This is not just Food, this is Our Best Ever Food from M&S: your everyday favourite dishes, expertly developed by our in-house chefs, to deliver absolutely mind-blowing taste.